android 擷取螢幕寬度和高度

標籤：密度   tde   win   1.5   寬高   螢幕   idt   efault   pixel   

// 擷取螢幕寬高（方法1）int screenWidth = getWindowManager().getDefaultDisplay().getWidth(); // 螢幕寬（像素，如：480px）int screenHeight = getWindowManager().getDefaultDisplay().getHeight(); // 螢幕高（像素，如：800p）Log.e(TAG + " getDefaultDisplay", "screenWidth=" + screenWidth + "; screenHeight=" + screenHeight);// 擷取螢幕密度（方法2）DisplayMetrics dm = new DisplayMetrics();dm = getResources().getDisplayMetrics();float density = dm.density; // 螢幕密度（像素比例：0.75/1.0/1.5/2.0）int densityDPI = dm.densityDpi; // 螢幕密度（每寸像素：120/160/240/320）float xdpi = dm.xdpi;float ydpi = dm.ydpi;Log.e(TAG + " DisplayMetrics", "xdpi=" + xdpi + "; ydpi=" + ydpi);Log.e(TAG + " DisplayMetrics", "density=" + density + "; densityDPI=" + densityDPI);screenWidth = dm.widthPixels; // 螢幕寬（像素，如：480px）screenHeight = dm.heightPixels; // 螢幕高（像素，如：800px）Log.e(TAG + " DisplayMetrics(111)", "screenWidth=" + screenWidth + "; screenHeight=" + screenHeight);// 擷取螢幕密度（方法3）dm = new DisplayMetrics();getWindowManager().getDefaultDisplay().getMetrics(dm);density = dm.density; // 螢幕密度（像素比例：0.75/1.0/1.5/2.0）densityDPI = dm.densityDpi; // 螢幕密度（每寸像素：120/160/240/320）xdpi = dm.xdpi;ydpi = dm.ydpi;Log.e(TAG + " DisplayMetrics", "xdpi=" + xdpi + "; ydpi=" + ydpi);Log.e(TAG + " DisplayMetrics", "density=" + density + "; densityDPI=" + densityDPI);int screenWidthDip = dm.widthPixels; // 螢幕寬（dip，如：320dip）int screenHeightDip = dm.heightPixels; // 螢幕寬（dip，如：533dip）Log.e(TAG + " DisplayMetrics(222)", "screenWidthDip=" + screenWidthDip + "; screenHeightDip=" + screenHeightDip);screenWidth = (int)(dm.widthPixels * density + 0.5f); // 螢幕寬（px，如：480px）screenHeight = (int)(dm.heightPixels * density + 0.5f); // 螢幕高（px，如：800px）Log.e(TAG + " DisplayMetrics(222)", "screenWidth=" + screenWidth + "; screenHeight=" + screenHeight); 

android 擷取螢幕寬度和高度